package com.localjoycommunity.cpdj.framework.web.controller;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.localjoycommunity.cpdj.common.CodeMsg;
import com.localjoycommunity.cpdj.common.constant.Constants;
import com.localjoycommunity.cpdj.common.constant.HttpStatus;
import com.localjoycommunity.cpdj.common.exception.GlobalException;
import com.localjoycommunity.cpdj.common.interceptor.help.UserContext;
import com.localjoycommunity.cpdj.common.utils.DateUtils;
import com.localjoycommunity.cpdj.common.utils.StringUtils;
import com.localjoycommunity.cpdj.common.utils.sql.SqlUtil;
import com.localjoycommunity.cpdj.framework.redis.RedisCache;
import com.localjoycommunity.cpdj.framework.security.service.TokenService;
import com.localjoycommunity.cpdj.framework.web.domain.AjaxResult;
import com.localjoycommunity.cpdj.framework.web.page.PageDomain;
import com.localjoycommunity.cpdj.framework.web.page.TableDataInfo;
import com.localjoycommunity.cpdj.framework.web.page.TableSupport;
import com.localjoycommunity.cpdj.project.system.domain.User;
import com.localjoycommunity.cpdj.project.system.domain.vo.WeixinVO;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import javax.servlet.http.HttpServletRequest;
import java.beans.PropertyEditorSupport;
import java.util.Date;
import java.util.List;

/**
 * web层通用数据处理
 *
 * @author LeePandar
 */
@Slf4j
public class BaseController {
    protected final Logger logger = LoggerFactory.getLogger(BaseController.class);

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private TokenService tokenService;


    public User getUser(HttpServletRequest req) {
        String sessionKey = req.getHeader(Constants.SESSION_KEY);
        if (StringUtils.isEmpty(sessionKey)){
            return null;
        }
        String token = UserContext.getToken();
        WeixinVO weixinVO = redisCache.getCacheObject(sessionKey);
        log.info("sessionKey {} wexinVo {} token {}", sessionKey, weixinVO,token);
        if (weixinVO != null){
            User user = weixinVO.getUser();
            if (user == null){
                throw new GlobalException(CodeMsg.TOKEN_INVALID_ERROR);
            }
            return user;
        }
        throw new GlobalException(CodeMsg.TOKEN_INVALID_ERROR);
    }

    public Integer getUserId(HttpServletRequest req){
        User user = getUser(req);
        if (user == null) {
            return 0;
        }
        return user.getId();
    }

    /**
     * 将前台传递过来的日期格式的字符串，自动转化为Date类型
     */
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        // Date 类型转换
        binder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) {
                setValue(DateUtils.parseDate(text));
            }
        });
    }

    /**
     * 设置请求分页数据
     */
    protected void startPage() {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        Integer pageNum = pageDomain.getPageNum();
        Integer pageSize = pageDomain.getPageSize();
        if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
            String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
            PageHelper.startPage(pageNum, pageSize, orderBy);
        }
    }

    /**
     * 响应请求分页数据
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    protected TableDataInfo getDataTable(List<?> list) {
        TableDataInfo rspData = new TableDataInfo();
        rspData.setCode(HttpStatus.SUCCESS);
        rspData.setMsg("查询成功");
        rspData.setRows(list);
        rspData.setTotal(new PageInfo(list).getTotal());
        return rspData;
    }

    /**
     * 响应返回结果
     *
     * @param rows 影响行数
     * @return 操作结果
     */
    protected AjaxResult toAjax(int rows) {
        return rows > 0 ? AjaxResult.success() : AjaxResult.error();
    }
}
